Yes. I downloaded the latest kernel (2.6.26.5) from kernel.org, enabled 64 GB support and recompiled. The new kernel find all 64 GB of memory. The virtualization software is VMWare ESX and the physical machine has 128 GB of RAM. Thanks for you comments. Edésio On Thu, Sep 18, 2008 at 01:47:53PM +0800, ?????? wrote: > Did you recompile the kernel from source,and enable 64GB ram support? > Which vm software you use? > > 2008/9/18 Edesio Costa e Silva <edesio@xxxxxxxxxxxxxxxx> > > > Hi Folks! > > > > I am running Linux 32 bits (2.6.26.5-bigsmp) on a virtual machine with 64 > > GB > > of RAM. When I try to create a large file, for example "dd if=/dev/null > > of=/tmp/huge.file bs=1024k count=65536" the machine hangs when the file > > hits > > 22 GB mark. I instrumented the kernel with the debug options and before the > > hang I got a message "lowmem_reserve[]: 0 0 0 0". Any hints on how to tune > > Linux to handle this configuration? > > > > Thanks in advance. > > > > Edésio > > > > P.S.: Switching to a 64 bit kernel is NOT an option. > > > > > > -- > > To unsubscribe from this list: send an email with > > "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx > > Please read the FAQ at http://kernelnewbies.org/FAQ > > > > -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
